FB2026_02 , released June 18, 2026
Recombinant Construct: P{ftz-lacZ.w+}
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General Information
Symbol
P{ftz-lacZ.w+}
FlyBase ID
FBtp0000956
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZftz.PU
Size
Expression Data
lacZ reporter
Associated insertion(s)
2 available
Molecular map
Description and Uses
Construct components
Component
Use(s)
Marker(s)
w+*
Component allele Ecol\lacZftz.PU
Transgenic product class
Component
Use(s)
Regulatory region(s)
ftz
Encoded product / tool
lacZ
Description

ftz regulatory sequences drive expression of lacZ.

(FlyBase Curators, 2025-)

FlyBase curator comment: this entry represents a transgenic construct where the particular construct used cannot be determined.

(FlyBase Curators, 2025-)
Sequence Data
Sequence (FB)
Associated Sequence Data
DDBJ / EMBL / GenBank
DNA Sequence
Extent
Segments and Size
Total Size
Left end
Right end
 
Segments
Num
Orientation
Symbol
Reference
Phenotypic Data
Expression Data
Reporter Expression
distribution deduced from reporter
Stage
Tissue/Position (including subcellular localization)
Reference
embryonic stage 8 -- 13
embryonic neuroblast
(Beckervordersandforth et al., 2008)
embryonic stage 8 -- 16
larval B-subperineurial glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
lateral ventral subperineurial glial cell
(Beckervordersandforth et al., 2008)
dorsal lateral subperineurial glial cell
(Beckervordersandforth et al., 2008)
ventral lateral subperineurial glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
medial ventral subperineurial glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
dorsal channel glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
ventral channel glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
embryonic dorsal longitudinal glial cell
(Beckervordersandforth et al., 2008)
embryonic ventral longitudinal glial cell
(Beckervordersandforth et al., 2008)
embryonic lateral longitudinal glial cell
(Beckervordersandforth et al., 2008)
longitudinal glial cell

Comment: lateral posterior

(Beckervordersandforth et al., 2008)
medial intersegmental nerve root glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
lateral intersegmental nerve root glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
lateral segmental nerve root glial cell
(Beckervordersandforth et al., 2008)
medial-most cell body glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
medial cell body glial cell

Comment: in 10-50% of examined hemisegments

(Beckervordersandforth et al., 2008)
embryonic stage 10
neuroblast MP2
(Doe, 1992)
embryonic stage 11
organism | pair rule expression pattern
(Ip et al., 1994)
embryonic stage 13 -- 16
larval neuron
(Beckervordersandforth et al., 2008)
Additional Information
Statement
Reference

The EcollacZ reporter protein isexpressed with a ftz pattern in a specified subset of neuroblasts inembryonic stages 10 and 11. (see also FBrf 42045)

(Doe, 1992)
 
Marker for
Reflects expression of
ftz
(Beckervordersandforth et al., 2008, Ip et al., 1994)
Reporter construct used in assay
Progenitors and Descendants
progenitor(s)
descendant(s)
Comments

construct_comment: Unspecified ftz-lacZ construct with w+ ormini-white selectable marker.

(Knoblich and Lehner, 1993)
Stocks (0)
Stocks containing insertion(s) of this recombinant construct
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (4)
Reported As
Symbol Synonym
P{ftz-lacZ.w+}
(FlyBase, 1996-)
P{w+, ftz-lacZ}
(Knoblich and Lehner, 1993)
ftz-lacZ
(Beckervordersandforth et al., 2008)
fushi tarazu-lacZ
(Beckervordersandforth et al., 2008)
Secondary FlyBase IDs
    References (9)